These entries are queried from radb.net using whois, you can try my project getting these.
:AS12176 route: 50.93.129.0/24 descr: ICAP Services North America, LLC descr: Harborside Financial Center descr: 1100 Plaza Five descr: 12th Floor descr: Jersey City, NJ 07311 descr: US origin: AS12176 mnt-by: MNT-ICAP created: 2015-04-13T15:35:39Z last-modified: 2018-09-04T18:09:57Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.93.129.0/24 origin: AS12176 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #22:22:12Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.93.130.0/24 descr: ICAP Services North America, LLC descr: Harborside Financial Center descr: 1100 Plaza Five descr: 12th Floor descr: Jersey City, NJ 07311 descr: US origin: AS12176 mnt-by: MNT-ICAP created: 2015-04-14T19:04:18Z last-modified: 2018-09-04T18:09:59Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.93.130.0/24 origin: AS12176 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #22:22:12Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.93.132.0/24 origin: AS12176 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #22:22:12Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.93.132.0/24 descr: ICAP Services North America, LLC descr: Harborside Financial Center descr: 1100 Plaza Five descr: 12th Floor descr: Jersey City, NJ 07311 descr: US origin: AS12176 mnt-by: MNT-ICAP created: 2015-04-14T19:06:11Z last-modified: 2018-09-04T18:09:59Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.246.140.0/24 origin: AS12176 descr: NEX Markets Legacy public IP block AP admin-c: CMEAR-ARIN tech-c: CMEAR-ARIN notify: david.spiker [at] cmegroup.com notify: carl.stinson [at] cmegroup.com mnt-by: MAINT-CME changed: david.spiker [at] cmegroup.com 20210909 #15:40:08Z source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source